How to pass and receive parameter process between C # WinForm programs

Program :

Static Class Program
{

<summary>
The main entry point for the application.
</summary>
[STAThread]
static void Main (string[] args)
{
Application.enablevisualstyles ();
Application.setcompatibletextrenderingdefault (FALSE);
if (args. Length = = 0)
Application.Run (New Form1 ());
Else
Application.Run (New Form1 (args));
}
}

Form1:

string[] args = null;
Public Form1 ()
{
InitializeComponent ();
}
Public Form1 (string[] args)
{
InitializeComponent ();
This.args = args;
}

Starting mode:

Process.Start ("A.exe", richTextBox1.Text);

How to pass and receive parameter process between C # WinForm programs